<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>存储信息</title>
</head>
<body>
        <form action="/userServlet" method="post">
            <label for="username">用户名:</label>
            <input type="text" id="username" name="username" required><br>
            <label for="age">年龄:</label>
            <input type="text" id="age" name="age" required><br>
            <label for="sex">性别:</label>
            <input type="radio" id="sex" name="sex" value="man" checked>男
            <input type="radio" name="sex" value="women">女<br>
            <input type="submit" value="提交">
        </form>
</body>
</html>